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Ubuntu 20.04 LTS Lamp Server

November 10, 2020

Here’s how to install a LAMP server on the latest Ubuntu 20.04 LTS.

Install Apache.

apt install apache2
systemctl status apache2
systemctl is-enabled apache2

apt install apache2 systemctl status apache2 systemctl is-enabled apache2

Install MariaDB.

apt install mariadb-server mariadb-client
systemctl status mariadb
systemctl is-enabled mariadb
mysql_secure_installation

apt install mariadb-server mariadb-client systemctl status mariadb systemctl is-enabled mariadb mysql_secure_installation

Install PHP.

apt install php libapache2-mod-php php-mysql
systemctl restart apache2

apt install php libapache2-mod-php php-mysql systemctl restart apache2

Enable ssl and mod_rewrite.

a2enmod ssl
a2enmod rewrite
systemctl restart apache2

a2enmod ssl a2enmod rewrite systemctl restart apache2

Filed Under: Linux Tagged With: apache, lamp, lts, mariadb, mod_rewrite, php, ssl, ubuntu 20.04

PHP 7.0 to 7.4 Upgrade

June 28, 2020

Here are steps I took to upgrade from PHP 7.0 to 7.4 on Ubuntu 18.04 LTS.

Login as root, otherwise use sudo for all commands.

# use 3rd party ppa repo
add-apt-repository ppa:ondrej/php
apt -y update
apt -y upgrade
# install php-core
apt install php7.4 php7.4-common php7.4-cli
# add all the php extenstions your app needs
apt install php7.4-curl php7.4-json php7.4-gd php7.4-mbstring
apt install php7.4-intl php7.4-bcmath php7.4-bz2 php7.4-xml
apt install php7.4-readline php7.4-zip php7.4-mysql
# I'm using apache prefork MPM, so install it
apt install libapache2-mod-php7.4
a2enmod php7.4
# check version. Success!
php -v
# for good measure, reboot apache
systemctl restart apache2.service
# Finally, purge the old PHP versions
apt purge php7.0 libapache2-mod-php7.0

# use 3rd party ppa repo add-apt-repository ppa:ondrej/php apt -y update apt -y upgrade # install php-core apt install php7.4 php7.4-common php7.4-cli # add all the php extenstions your app needs apt install php7.4-curl php7.4-json php7.4-gd php7.4-mbstring apt install php7.4-intl php7.4-bcmath php7.4-bz2 php7.4-xml apt install php7.4-readline php7.4-zip php7.4-mysql # I'm using apache prefork MPM, so install it apt install libapache2-mod-php7.4 a2enmod php7.4 # check version. Success! php -v # for good measure, reboot apache systemctl restart apache2.service # Finally, purge the old PHP versions apt purge php7.0 libapache2-mod-php7.0

Finally, run update on more time to get all the latest updates.

apt -y update
apt -y upgrade
apt -y autoremove
apt-get --with-new-pkgs upgrade

apt -y update apt -y upgrade apt -y autoremove apt-get --with-new-pkgs upgrade

Filed Under: Linux Tagged With: 7.0, 7.4, php, ubuntu, upgrade

List Available PHP Modules

March 2, 2020

Here’s how to list the available PHP modules.

apt-cache search php- | less

apt-cache search php- | less

To get details about a module.

apt-cache show php-curl

apt-cache show php-curl

To install a module.

apt install php-curl

apt install php-curl

Or install all modules.

apt install php*

apt install php*

Restart Apache after each install.

systemctl restart apache2

systemctl restart apache2

Filed Under: Linux, PHP Tagged With: install, modules, php

Run Shell Script From Your Website

September 10, 2019

Here’s how to run a shell script from your website. You’ll need 2 files.

Here’s the contents of foo.php. Wrap your output with ‘pre’ for better formatting.

<?php
$output = shell_exec('/var/www/html/bar.sh 2>&1');
echo "$output";

<?php $output = shell_exec('/var/www/html/bar.sh 2>&1'); echo "$output";

Here’s the content of bar.sh. Output will be displayed on web page.

#!/bin/bash
now="$(date +'%y%m%d')"
echo $now
aws s3 ls

#!/bin/bash now="$(date +'%y%m%d')" echo $now aws s3 ls

Filed Under: Cloud, Linux Tagged With: bash, php, run, script, shell, website

Phpinfo Blank Page

September 10, 2019

Here’s how to fix when phpinfo is displaying a blank page. The install is missing this php module.

apt install php libapache2-mod-php

apt install php libapache2-mod-php

Restart after install.

service apache2 restart

service apache2 restart

Filed Under: Linux, PHP Tagged With: blank, page, php, phpinfo

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